Lunch box



FIG. 1 is a top left front perspective view of a lunch box showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a side elevational view thereof; the opposite side being a mirror image; and,

FIG. 7 is a top left front perspective view of an alternate embodiment of a lunch box embodying my new design. The rear elevational, bottom plan and side elevational views thereof would be as depicted in the preferred embodiment views, FIGS. 3, 4 and 6. 

The ornamental design for a lunch box, as shown and described. 